Candela Corporation
M
GentleLASE
Focus Lens Replacement Procedure
8503-01-0827, Revision A
Candela Corporation Proprietary
Page 3 of 5
FOCUS LENS REPLACEMENT
NOTE:
Exercise extreme care. Cleanliness of optics is essential. Refer to Service
Procedure 8503-01-0060 for optic cleanliness. Refer to drawings 7122-00-3298, 7122-00-
3300 and 7122-00-3325 for specific details.
CAUTION:
The high voltages present in this system are LETHAL. This procedure
must be performed only by those technicians who are familiar with the precautions
required when working with high voltage systems, and those who have been trained
on the MGL system and its particular hazards.
WARNING!!!!!
BEFORE WORKING NEAR THE HEAD, ALWAYS DUMP THE VOLTAGE BY
SELECTING CHRG DISABLE FROM THE TOGGLE SCREEN, PULSING ONCE,
THEN ENTERING STANDBY. THERE WILL STILL BE ABOUT 150 V ON THE
FLASHLAMP CATHODE. THIS MUST BE DISCHARGED WITH THE
DISCHARGE STICK. ALWAYS MEASURE THE VOLTAGE AT THE FLASHLAMP
CATHODE BEFORE WORKING ON THE LASER RAIL.
1.
Remove the fiber from the fiber receptacle. Remove the top cover. Remove the
laser rail dust cover.
2.
Remove the shutter. Temporarily remount the shutter with one screw above fiber
focusing assy in the dust cover mounting hole.
3.
Remove screws holding the fiber receptacle to the rail.
4.
Disconnect the microswitch.
5.
Remove the fiber receptacle.
6.
Loosen the two set screws (figure 1), then
loosen the two positioning screws on the
focus lens housing. Remove the Four rear
screws that secure the focus lens housing
(7122-00-3325) intothe fiber receptacle
assembly. Pay attention to component
order when disassembling.
Figure 1
Set screws
Four rear
